Ultra-Light and Ultra-Tough: The Mightylite front-load insulated food carrier weighs 60% less than traditional polymer molded, urethane foam-filled carriers. ML300 weighs 9.1 lbs. (4.1kg) and ML400 is 11.3 lbs. (5.1kg). These catering food warmers are designed with a 270° swing door with a durable travel latch. “gasketless” door seal, and a large label holder/whiteboard. Advanced Plastic Construction: Mightylite is a full-size food pan carrier that's made of expanded polypropylene (EPP), boasting a high strength-to-weight ratio and high impact resistance. This makes our front-loading food storage hot box withstand impact without damage, making it a dependable heavy-duty thermal carrier and food transport equipment. Keeps Food Fresh for 5 Hours: Transport hot or cold food at safe, appetizing temperatures with confidence for up to 5 hours with Mightylite insulated food warmers. Each food warmer box includes a complimentary wire caddy to help organize and hold common temperature maintenance tools and other items. Ergonomic Design: Only Mightylite insulated food carriers carry easily. The convenient, integrated handles provide the ultimate flexibility to facilitate lifting, carrying, and moving in various situations. With eight ergonomic handles, this makes the transport job easier, making it a great choice for portable food warmer for catering. Accessories for Enhanced Functionality: Our insulated food boxes are fully stackable with all Mightylite carriers and interlock securely for safe and easy transportation. Also compatible with a range of accessories (sold separately) for enhanced functionality: heavy-duty dolly (MLD1), thermal partition (MLP1) to maintain ideal food temperatures, stainless-steel heater (MLH1) to keep food fresh and hot, and adjustable carrying strap (MLS1) for flexible, one- or two-person transport.